Unit Circle (version B)

A) π
B) √3/2
C) r
D) √2/2
E) 1

A) x
B) theta
C) y
D) r
E) 1

A) 360
B) 2π
C) 1
D) π
E) 180

A) y
B) x
C) theta
D) r
E) 1

5. The magnitudes of the maxima and minima of the unit circle's sine and cosine are the same.

A) false
B) true
C) Can't be determined
D) Neither

A) -infinity to +infinity
B) 0 to 360
C) 0 to 2π
D) -1 to 1

A) both 90 and 270 degrees
B) 90 degrees
C) neither 90 nor 270 degrees
D) 270 degrees
E) both 0 and 180 degrees

A) 180 degrees
B) 90 degrees
C) 0 degrees
D) 270 degrees

9. For the unit circle, if I translate the sine curve XXX radians, it will be in the same position as the cosine curve.

A) π/2
B) 2π
C) π
D) -π/2
E) -π

A) √2/2
B) 1
C) 1/2
D) 0
E) -√2/2

A) -√2/2
B) 45
C) √2/2
D) 1/2
E) √3/2

A) 330 degrees
B) -30 degrees
C) -390 degrees
D) -330 degrees

A) √3/2
B) 0
C) 1/2
D) 1
E) -1

A) 3π/2 radians
B) 2π radians
C) 1/2 radians
D) 3π radians
E) -π radians

A) 3π/2 radians
B) 45 degrees
C) 315 degrees
D) 225 degrees
E) 135 degrees

A) never
B) I
C) II
D) IV
E) III

A) 2π
B) π/2
C) π
D) 3π
E) 3π/2

18. One cycle of the sine and cosine curve from the unit circle have the same period.

A) Neither
B) False
C) Can't be determined
D) True

A) 3π/2 radians
B) 90 degrees
C) π/2 radians
D) 2π radians

20. The cosine function is positive and the sine function is negative in quadrant

A) IV
B) III
C) III
D) I

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